1 files changed, 61 insertions, 0 deletions
diff --git a/src/fluent-bit/lib/ctraces/examples/otlp-decoder.c b/src/fluent-bit/lib/ctraces/examples/otlp-decoder.c
new file mode 100644
index 000000000..2b3d390da
--- /dev/null
+++ b/src/fluent-bit/lib/ctraces/examples/otlp-decoder.c
@@ -0,0 +1,61 @@
+#include <ctraces/ctraces.h>
+#include <fluent-otel-proto/fluent-otel.h>
+
+int main()
+{
+    FILE *fp;
+    struct ctrace *ctr;
+
+    char *text;
+    char *buf;
+    int result;
+    int bufsize;
+    size_t offset;
+    size_t newLen;
+
+    offset = 0;
+    bufsize = 0;
+    buf = NULL;
+
+    fp = fopen("examples/sample_trace.bin", "rb");
+
+    if (fp != NULL) {
+        if (fseek(fp, 0L, SEEK_END) == 0) {
+
+            bufsize = ftell(fp);
+            if (bufsize == -1)
+            {
+                printf("error in reading file size");
+            }
+
+            buf = malloc(sizeof(char) * (bufsize + 1));
+
+            if (fseek(fp, 0L, SEEK_SET) != 0) {
+                printf("seek error");
+            }
+
+            newLen = fread(buf, sizeof(char), bufsize, fp);
+            if (ferror(fp) != 0) {
+                fputs("Error reading file", stderr);
+            }
+            else {
+                buf[newLen++] = '\0';
+            }
+        }
+        fclose(fp);
+    }
+
+    result = ctr_decode_opentelemetry_create(&ctr, buf, bufsize, &offset);
+    if (result == -1) {
+        printf("Unable to decode trace sample");
+    }
+
+    text = ctr_encode_text_create(ctr);
+    printf("%s\n", text);
+    ctr_encode_text_destroy(text);
+
+    ctr_destroy(ctr);
+    free(buf);
+
+    return 0;
+}
+\ No newline at end of file